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Finding the Fourth Proportional to 249,762.83, 344,672.01 and 135,040.67

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Solution

The fourth proportional to 249,762.83, 344,672.01 and 135,040.67 is: 186,355.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,762.83 : 344,672.01 = 135,040.67 : x
  2. Step 2: Convert to fraction form
    249,762.83/344,672.01 = 135,040.67/x
  3. Step 3: Cross multiply
    249,762.83x = 344,672.01 × 135,040.67
  4. Step 4: Simplify right side
    249,762.83x = 46,544,740,034.01
  5. Step 5: Solve for x
    x = 46,544,740,034.01/249,762.83
  6. Step 6: Final answer
    x = 186,355.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.